Home / 1,499.18-2,249.73-729.26

Finding the Fourth Proportional to 1,499.18, 2,249.73 and 729.26

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Solution

The fourth proportional to 1,499.18, 2,249.73 and 729.26 is: 1,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.18 : 2,249.73 = 729.26 : x
  2. Step 2: Convert to fraction form
    1,499.18/2,249.73 = 729.26/x
  3. Step 3: Cross multiply
    1,499.18x = 2,249.73 × 729.26
  4. Step 4: Simplify right side
    1,499.18x = 1,640,638.10
  5. Step 5: Solve for x
    x = 1,640,638.10/1,499.18
  6. Step 6: Final answer
    x = 1,094.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.